Trace multielement analysis of reactor moderator water: Simultaneous determination of copper, gold, silver, and mercury using differential pulse stripping voltammetry

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A rapid, inexpensive trace multi-element analysis of reactor moderator heavy water is described. Samples were analyzed for copper, silver, gold, and mercury at the low ppb level using Differential Pulse Stripping Voltametry (DPSV). These ions are kept below 25 ppb to avoid possible vessel corrosion. A high concentration of aluminum and iron in the samples prevented analysis by ICP spectroscopy. The DPSV method also avoided volatizing highly tritiated samples. Differential Pulse Stripping Voltametry is a commonly used electroanalytical technique for determining trace levels of metals in aqueous solutions. However, application of this method for routine analytical support in a plant … continued below

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10 pages

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Almon, A. C. January 1, 1990.

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A rapid, inexpensive trace multi-element analysis of reactor moderator heavy water is described. Samples were analyzed for copper, silver, gold, and mercury at the low ppb level using Differential Pulse Stripping Voltametry (DPSV). These ions are kept below 25 ppb to avoid possible vessel corrosion. A high concentration of aluminum and iron in the samples prevented analysis by ICP spectroscopy. The DPSV method also avoided volatizing highly tritiated samples. Differential Pulse Stripping Voltametry is a commonly used electroanalytical technique for determining trace levels of metals in aqueous solutions. However, application of this method for routine analytical support in a plant laboratory environment was limited due to the method's sensitivity to interferences. This paper describes a DPSV method which is rugged enough to be used for routine analytical support and addresses method interferences.

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10 pages

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OSTI; NTIS; INIS; GPO Dep.

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  • 178. meeting of the Electrochemical Society (ECS), Seattle, WA (United States), 14-19 Oct 1990

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  • Other: DE92009407
  • Report No.: WSRC-MS-90-224
  • Report No.: CONF-901073--17
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 5837542
  • Archival Resource Key: ark:/67531/metadc1100329

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  • January 1, 1990

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  • Feb. 18, 2018, 3:59 p.m.

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  • July 30, 2020, 9:40 p.m.

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Almon, A. C. Trace multielement analysis of reactor moderator water: Simultaneous determination of copper, gold, silver, and mercury using differential pulse stripping voltammetry, article, January 1, 1990; Aiken, South Carolina. (https://digital.library.unt.edu/ark:/67531/metadc1100329/: accessed May 8, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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